Photovoltaic self-consumption in buildings: A review
2015 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 142, 80-94 p.Article, review/survey (Refereed) Published
The interest in self-consumption of PV electricity from grid-connected residential systems is increasing among PV system owners and in the scientific community. Self-consumption can be defined as the share of the total PV production directly consumed by the PV system owner. With decreased subsidies for PV electricity in several countries, increased self-consumption could raise the profit of PV systems and lower the stress on the electricity distribution grid. This review paper summarizes existing research on PV self-consumption and options to improve it. Two options for increased self-consumption are included, namely energy storage and load management, also called demand side management (DSM). Most of the papers examine PV-battery systems, sometimes combined with DSM. The results show that it is possible to increase the relative self-consumption by 13-24% points with a battery storage capacity of 0.5-1. kW. h per installed kW PV power and between 2% and 15% points with DSM, both compared to the original rate of self-consumption. The total number of papers is however rather limited and further research and more comparative studies are needed to give a comprehensive view of the technologies and their potential. Behavioral responses to PV self-consumption and the impact on the distribution grid also need to be further studied.
Place, publisher, year, edition, pages
2015. Vol. 142, 80-94 p.
Photovoltaics; Self-consumption; Household electricity; Energy storage; Load shifting; Demand side management
Energy Engineering Social Sciences Interdisciplinary
IdentifiersURN: urn:nbn:se:uu:diva-246975DOI: 10.1016/j.apenergy.2014.12.028ISI: 000350935100008ScopusID: 2-s2.0-84921375090OAI: oai:DiVA.org:uu-246975DiVA: diva2:794643
ProjectsSmåskalig solel i byggnader - kraft för förändring i energisystem och vardagsliv
FunderSwedish Energy Agency